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[youtubedl] / youtube_dl / extractor / bilibili.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import calendar
5 import datetime
6 import re
7
8 from .common import InfoExtractor
9 from ..compat import (
10 compat_etree_fromstring,
11 compat_str,
12 compat_parse_qs,
13 compat_xml_parse_error,
14 )
15 from ..utils import (
16 ExtractorError,
17 int_or_none,
18 float_or_none,
19 xpath_text,
20 )
21
22
23 class BiliBiliIE(InfoExtractor):
24 _VALID_URL = r'https?://www\.bilibili\.(?:tv|com)/video/av(?P<id>\d+)'
25
26 _TESTS = [{
27 'url': 'http://www.bilibili.tv/video/av1074402/',
28 'md5': '9fa226fe2b8a9a4d5a69b4c6a183417e',
29 'info_dict': {
30 'id': '1554319',
31 'ext': 'mp4',
32 'title': '【金坷垃】金泡沫',
33 'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
34 'duration': 308.315,
35 'timestamp': 1398012660,
36 'upload_date': '20140420',
37 'thumbnail': 're:^https?://.+\.jpg',
38 'uploader': '菊子桑',
39 'uploader_id': '156160',
40 },
41 }, {
42 'url': 'http://www.bilibili.com/video/av1041170/',
43 'info_dict': {
44 'id': '1507019',
45 'ext': 'mp4',
46 'title': '【BD1080P】刀语【诸神&异域】',
47 'description': '这是个神奇的故事~每个人不留弹幕不给走哦~切利哦!~',
48 'timestamp': 1396530060,
49 'upload_date': '20140403',
50 'uploader': '枫叶逝去',
51 'uploader_id': '520116',
52 },
53 }, {
54 'url': 'http://www.bilibili.com/video/av4808130/',
55 'info_dict': {
56 'id': '7802182',
57 'ext': 'mp4',
58 'title': '【长篇】哆啦A梦443【钉铛】',
59 'description': '(2016.05.27)来组合客人的脸吧&amp;amp;寻母六千里锭 抱歉,又轮到周日上班现在才到家 封面www.pixiv.net/member_illust.php?mode=medium&amp;amp;illust_id=56912929',
60 'timestamp': 1464564180,
61 'upload_date': '20160529',
62 'uploader': '喜欢拉面',
63 'uploader_id': '151066',
64 },
65 }, {
66 # Missing upload time
67 'url': 'http://www.bilibili.com/video/av1867637/',
68 'info_dict': {
69 'id': '2880301',
70 'ext': 'mp4',
71 'title': '【HDTV】【喜剧】岳父岳母真难当 (2014)【法国票房冠军】',
72 'description': '一个信奉天主教的法国旧式传统资产阶级家庭中有四个女儿。三个女儿却分别找了阿拉伯、犹太、中国丈夫,老夫老妻唯独期盼剩下未嫁的小女儿能找一个信奉天主教的法国白人,结果没想到小女儿找了一位非裔黑人……【这次应该不会跳帧了】',
73 'uploader': '黑夜为猫',
74 'uploader_id': '610729',
75 },
76 'params': {
77 # Just to test metadata extraction
78 'skip_download': True,
79 },
80 'expected_warnings': ['upload time'],
81 }]
82
83 # BiliBili blocks keys from time to time. The current key is extracted from
84 # the Android client
85 # TODO: find the sign algorithm used in the flash player
86 _APP_KEY = '86385cdc024c0f6c'
87
88 def _real_extract(self, url):
89 mobj = re.match(self._VALID_URL, url)
90 video_id = mobj.group('id')
91
92 webpage = self._download_webpage(url, video_id)
93
94 params = compat_parse_qs(self._search_regex(
95 [r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
96 r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
97 webpage, 'player parameters'))
98 cid = params['cid'][0]
99
100 info_xml_str = self._download_webpage(
101 'http://interface.bilibili.com/v_cdn_play',
102 cid, query={'appkey': self._APP_KEY, 'cid': cid},
103 note='Downloading video info page')
104
105 err_msg = None
106 durls = None
107 info_xml = None
108 try:
109 info_xml = compat_etree_fromstring(info_xml_str.encode('utf-8'))
110 except compat_xml_parse_error:
111 info_json = self._parse_json(info_xml_str, video_id, fatal=False)
112 err_msg = (info_json or {}).get('error_text')
113 else:
114 err_msg = xpath_text(info_xml, './message')
115
116 if info_xml is not None:
117 durls = info_xml.findall('./durl')
118 if not durls:
119 if err_msg:
120 raise ExtractorError('%s said: %s' % (self.IE_NAME, err_msg), expected=True)
121 else:
122 raise ExtractorError('No videos found!')
123
124 entries = []
125
126 for durl in durls:
127 size = xpath_text(durl, ['./filesize', './size'])
128 formats = [{
129 'url': durl.find('./url').text,
130 'filesize': int_or_none(size),
131 }]
132 for backup_url in durl.findall('./backup_url/url'):
133 formats.append({
134 'url': backup_url.text,
135 # backup URLs have lower priorities
136 'preference': -2 if 'hd.mp4' in backup_url.text else -3,
137 })
138
139 self._sort_formats(formats)
140
141 entries.append({
142 'id': '%s_part%s' % (cid, xpath_text(durl, './order')),
143 'duration': int_or_none(xpath_text(durl, './length'), 1000),
144 'formats': formats,
145 })
146
147 title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title')
148 description = self._html_search_meta('description', webpage)
149 datetime_str = self._html_search_regex(
150 r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False)
151 timestamp = None
152 if datetime_str:
153 timestamp = calendar.timegm(datetime.datetime.strptime(datetime_str, '%Y-%m-%dT%H:%M').timetuple())
154
155 # TODO 'view_count' requires deobfuscating Javascript
156 info = {
157 'id': compat_str(cid),
158 'title': title,
159 'description': description,
160 'timestamp': timestamp,
161 'thumbnail': self._html_search_meta('thumbnailUrl', webpage),
162 'duration': float_or_none(xpath_text(info_xml, './timelength'), scale=1000),
163 }
164
165 uploader_mobj = re.search(
166 r'<a[^>]+href="https?://space\.bilibili\.com/(?P<id>\d+)"[^>]+title="(?P<name>[^"]+)"',
167 webpage)
168 if uploader_mobj:
169 info.update({
170 'uploader': uploader_mobj.group('name'),
171 'uploader_id': uploader_mobj.group('id'),
172 })
173
174 for entry in entries:
175 entry.update(info)
176
177 if len(entries) == 1:
178 return entries[0]
179 else:
180 for idx, entry in enumerate(entries):
181 entry['id'] = '%s_part%d' % (video_id, (idx + 1))
182
183 return {
184 '_type': 'multi_video',
185 'id': video_id,
186 'title': title,
187 'description': description,
188 'entries': entries,
189 }